6723616 has 12 divisors (see below), whose sum is σ = 13237182. Its totient is φ = 3361792.

The previous prime is 6723593. The next prime is 6723617. The reversal of 6723616 is 6163276.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 1971216 = 2180^2 + 1404^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (6723617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105025 + ... + 105088.

Almost surely, 2^6723616 is an apocalyptic number.

It is an amenable number.

6723616 is a deficient number, since it is larger than the sum of its proper divisors (6513566).

6723616 is a wasteful number, since it uses less digits than its factorization.

6723616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210123 (or 210115 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 6723616 is about 2592.9936367064. The cubic root of 6723616 is about 188.7416007256.

The spelling of 6723616 in words is "six million, seven hundred twenty-three thousand, six hundred sixteen".